STW4510 datasheet(19/57 Pages) STMICROELECTRONICS

部品番号	STW4510

部品情報	2 step-down DC/DC converters / 5 LDO power management

PDF	57 Pages

Scroll/Zoom	100%

メーカー	STMICROELECTRONICS [STMicroelectronics]

ホームページ	http://www.st.com

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19 / 57 page

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Product(s)

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Product(s)

STw4510

Functional description

19/57

I2C interface modes

Figure 5.

Control interface: I2C format

Figure 6.

Control interface: I2C timing

Note:

Multi-write possibility is not available. For each data it is mandatory to send the address first.

Table 9.

DATA7

DATA6

DATA5

DATA4

DATA3

DATA2

DATA1

DATA0

DEVICE ADDRESS

0 1 0 1 1 1 A 0

REGn ADDRESS

REGn Data In

WRITE

SINGLE BYTE

START

ACK

STOP

DEVICE ADDRESS

0 1 0 1 1 1 A 0

REGn ADDRESS

START

ACK

DEVICE ADDRESS

0 1 0 1 1 1 A 1

REGn Data Out

START

ACK

NO ACK

RANDOM ADDR

SINGLE BYTE

READ

DEVICE ADDRESS

0 1 0 1 1 1 A 0

REGn ADDRESS

START

ACK

DEVICE ADDRESS

0 1 0 1 1 1 A 1

START

Reg n Data Out

ACK

NO ACK

STOP

m+1 data bytes

ACK

Reg n + m Data Out

RANDOM ADDR

MULTI BYTE

READ

ACK

Stop

Start repeated

Stop

tbuf

thd_sta

tlow

thigh

thd_dat

tsu_dat

Start

SDA

SCL

tsu_sta

thd_sta

tsu_sto

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